Some animals are so difficult to glimpse 有些动物如幽灵般

21. The prints of an Arctic fox and the hare it might've been stalking.
    北极狐追捕野兔的脚印
22. A female polar bear
    这是雌性北极熊
23. and her two cubs.
    和她的2个孩子的脚印
24. Some animals are so difficult to glimpse
    有些动物如幽灵般
25. that they're like spirits.
    难得一见
26. One could live a lifetime in these woods
    你可能在森林里呆一辈子
27. and never see a lynx.
    也不会见到一只猞猁

来自《行星地球 第一季 第十集 Planet Earth S01E10 季节森林》第 24 行